Add tests for searx.engines.(dummy|github)

searx/tests/engines/test_dummy.py

@@ -0,0 +1,26 @@
+from searx.engines import dummy
+from searx.testing import SearxTestCase
+
+
+class TestDummyEngine(SearxTestCase):
+
+    def test_request(self):
+        test_params = [
+            [1, 2, 3],
+            ['a'],
+            [],
+            1
+        ]
+        for params in test_params:
+            self.assertEqual(dummy.request(None, params), params)
+
+    def test_response(self):
+        responses = [
+            None,
+            [],
+            True,
+            dict(),
+            tuple()
+        ]
+        for response in responses:
+            self.assertEqual(dummy.response(response), [])